Op 11/10/2016 om 10:05 AM schreef Teemu Huovila:
>
> On 09.11.2016 23:36, Brad Koehn wrote:
>> I have discovered that many times the virus definitions I use for scanning 
>> messages (ClamAV, with the unofficial signatures 
>> http://sanesecurity.com/usage/linux-scripts/) are updated some time after my 
>> server has received an infected email. It seems the virus creators are 
>> trying to race the virus definition creators to see who can deliver first; 
>> more than half of the infected messages are found after they’ve been 
>> delivered. Great. 
>>
>> To help detect and remove the infected messages after they’ve been delivered 
>> to users’ mailboxes, I created a small script that iterates the INBOX and 
>> Junk mailbox directories, scans recent messages for viruses, and deletes 
>> them if found. The source of my script (run via cron) is here: 
>> https://gitlab.koehn.com/snippets/9
>>
>> Unfortunately Dovecot doesn’t like it if messages are deleted (dbox) out 
>> from under it. I tried a doveadm force-resync on the folder containing the 
>> messages, but it seems Dovecot is still unhappy. At least on the new version 
>> (2.2.26.0) it doesn’t crash; 2.2.25 would panic and coredump when it 
>> discovered messages had been deleted. 
>>
>> I’m wondering if there’s a better way to scan recent messages and eradicate 
>> them so the Dovecot isn’t upset when it happens. Maybe using doveadm search? 
>> Looking for suggestions. 
> The removal should if possible be done with the doveadm cli tool or using the 
> doveadm http api.

Still, Dovecot should handle external removal of messages gracefully.
What exactly happens?

Regards,

Stephan.

Reply via email to